Home / 969,803.94-1,338,233.65-540,124.05

Finding the Fourth Proportional to 969,803.94, 1,338,233.65 and 540,124.05

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Solution

The fourth proportional to 969,803.94, 1,338,233.65 and 540,124.05 is: 745,317.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,803.94 : 1,338,233.65 = 540,124.05 : x
  2. Step 2: Convert to fraction form
    969,803.94/1,338,233.65 = 540,124.05/x
  3. Step 3: Cross multiply
    969,803.94x = 1,338,233.65 × 540,124.05
  4. Step 4: Simplify right side
    969,803.94x = 722,812,178,884.28
  5. Step 5: Solve for x
    x = 722,812,178,884.28/969,803.94
  6. Step 6: Final answer
    x = 745,317.84

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.